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Old 09-13-2014, 10:35 AM   #1
Tzclark
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Smaller brake booster

I thought I was going to have a problem with fitment but didn't want to cross that road until it was a problem for sure. My booster fits but doesn't allow the removal of the valve cover. I am running the tall Chevrolet big block covers and my motor is solid lift so the covers will have to come off for setting valves once a year. What are you guys running for smaller booster that's budget minded?


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Old 09-13-2014, 07:02 PM   #2
motorcritter
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Re: Smaller brake booster

Hydro boost would give you more room, and you wouldn't have to be concerned about engine vacuum issues and great braking performance.
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Old 09-13-2014, 09:22 PM   #3
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Re: Smaller brake booster

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Originally Posted by Tzclark View Post
I thought I was going to have a problem with fitment but didn't want to cross that road until it was a problem for sure. My booster fits but doesn't allow the removal of the valve cover. I am running the tall Chevrolet big block covers and my motor is solid lift so the covers will have to come off for setting valves once a year. What are you guys running for smaller booster that's budget minded?


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A 7 inch diameter dual diaphragm booster will give you lots of room. Don't know what cam you're running but Stainless Steel Brakes has a vacuum pump if your vacuum pressure is below 14 in. That's what I run.
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Old 09-16-2014, 01:06 AM   #4
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Re: Smaller brake booster

Thanks guys, I'll look into those options. That 572 sure is pretty!
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Old 09-16-2014, 11:21 AM   #5
Andy4639
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Wink Re: Smaller brake booster

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Originally Posted by Fitz View Post
A 7 inch diameter dual diaphragm booster will give you lots of room. Don't know what cam you're running but Stainless Steel Brakes has a vacuum pump if your vacuum pressure is below 14 in. That's what I run.
I just picked one of these up a few weeks ago. Haven't had time to install it yet though! Got the brackets and rods with it.




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Old 11-09-2014, 08:33 PM   #6
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Re: Smaller brake booster

I just ran into this same problem on my big block swap. What are the part numbers for the 7" brake boosters?
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Old 11-09-2014, 08:37 PM   #7
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Re: Smaller brake booster

OR, will the brake booster from a corvette work??
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Old 11-10-2014, 11:09 AM   #8
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Re: Smaller brake booster

Running the smaller boosters really cleans up the compartment. The only problem like stated above is if the cams not providing enough vacuum to operate properly. Ebay n most of the booster manufactures have plenty to choice from. On my stockish 350 works well with the smaller version.
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